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ASTM - ASTM E2941 - STANDARD PRACTICES FOR EXTRACTION OF ELEMENTS FROM ORES AND RELATED METALLURGICAL MATERIALS BY ACID DIGESTION Organization: ASTM
Date: 2014-11-01
Description: Other elements may be determined from extracts produced using this practice. Actual element quantification in digested solutions can be accomplished by following the various test methods under other appropriate ASTM standards for element(s) of interest in solution.
ASTM - ASTM D7876 - STANDARD PRACTICE FOR PRACTICE FOR SAMPLE DECOMPOSITION USING MICROWAVE HEATING (WITH OR WITHOUT PRIOR ASHING) FOR ATOMIC SPECTROSCOPIC ELEMENTAL DETERMINATION IN PETROLEUM PRODUCTS AND LUBRICANTS Organization: ASTM
Date: 2013-06-15
Description: Chemical species of the elements is also a concern in such dissolutions since some species may not be digested and have a different sample introduction efficiency.
CSA 3.11 - LEVER OPERATED PRESSURE LUBRICATED PLUG TYPE GAS SHUT-OFF VALVES - THIRD EDITION Organization: CSA
Date: 2015-01-01
Description: Notes: 1) Valves covered by this Standard may be used on “digester gas” (methane produced during sewage treatment), but because of entrained contaminants their use is to be subject to agreement between the manufacturer and the purchaser.
GSA - A-A-105A - POLISH, METAL, BRASS Organization: GSA
Date: 1991-02-04
Description: Dilute polish to 500 mL with hot alcohol or hot distilled water; cover with a watch glass; and digest on a steam bath for 1 hour. Vigorously stir to disperse solid matter through a tared No. 200 sieve, and then wash with distilled water.
ASTM - ASTM D7475 - STANDARD TEST METHOD FOR DETERMINING THE AEROBIC DEGRADATION AND ANAEROBIC BIODEGRADATION OF PLASTIC MATERIALS UNDER ACCELERATED BIOREACTOR LANDFILL CONDITIONS Organization: ASTM
Date: 2011-01-01
Description: In Tier 2 samples of the plastic materials pretreated aerobically as described in Tier 1, are exposed to a methanogenic inoculum derived from anaerobic digesters operating only on pretreated household waste. The anaerobic decomposition and biodegradation occur under dry (more than 30 % total solids) and static non-mixed conditions.

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